Where does “Κοζάνη” come from?

Κοζάνη (Byzantine Greek) comes from Slavic kožani, from Proto-Slavic koža, from Proto-Slavic -ja, from Proto-Indo-European -yeh₂.

Ancestry of “Κοζάνη”, step by step

StepLanguageWordMeaning
1Slavickožani—
2Proto-Slavickožaskin; leather
3Proto-Slavic-jaSuffix creating feminine action nouns, usually...
4Proto-Indo-European-yeh₂—

Words derived from “Κοζάνη”

Every word from Proto-Indo-European -yeh₂ →Every word from Proto-Slavic -ja →Every word from Proto-Slavic koža →